Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

5
3
1
8
6
2
4
7
9
4
2
9
7
1
3
8
       
   5  6
       
       
   5  6
       
8
7
6
5
4
9
3
2
1
2
1
7
3
5
4
9
8
6
3
       
      6
   8   
       
      6
   8   
1  2  3
4  5  6
7  8  9
9
1
5
4
2
9
5
4
6
8
2
1
3
7
7
2
3
6
4
8
1
9
5
9
       
      6
   8   
       
      6
   8   
1
7
7
2
3
4
4
1
5
2
9
3
7
6
8

 

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